So it is very important whether the airframe and tie-down equipment have high carrying ability.

这样，机体结构及系留索具是否有足够的承载能力，就显得异常重要。

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The utility model has the advantages of high strength, light weight, good windproof ability, composite type mounting, dismantlement availability, easy assembly, and convenient carrying.

具有强度高、重量轻、防风能力 强的效果，组合式安装，可拆卸，安装简单、携带方便。

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So the author selects the students in the second high school Jianyang as the subjects, carrying on the research of raising students Metacognition ability in the biology teaching.

在此基础上，针对中学生物学教学实践，选取建阳二中高二学生作为研究对象，在生物学教学中对学生进行元认知能力培养的研究。

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